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Finding the Fourth Proportional to 67,765.82, 93,515.43 and 37,550.88

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Solution

The fourth proportional to 67,765.82, 93,515.43 and 37,550.88 is: 51,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,765.82 : 93,515.43 = 37,550.88 : x
  2. Step 2: Convert to fraction form
    67,765.82/93,515.43 = 37,550.88/x
  3. Step 3: Cross multiply
    67,765.82x = 93,515.43 × 37,550.88
  4. Step 4: Simplify right side
    67,765.82x = 3,511,586,690.08
  5. Step 5: Solve for x
    x = 3,511,586,690.08/67,765.82
  6. Step 6: Final answer
    x = 51,819.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.